Big Blu Brush On MicroLeak Detector, Blue. This is our original Big Blu microleak detector downsized into a Brush On applicator. It is used by OEM’s and industry professionals worldwide. This is the only bubble/foam solution capable of detecting gas leakage down to 0.71 ounces per year.

Brand: Refrigeration Technologies
Manufacturer Part Number: JB-RT-RT175B
Type: Air Conditioning Chemicals
MPN: RT175B
UPC: 017857175089